International Association for Mathematical Geology  
   Promotes international cooperation in the application and use of mathematics in geological research and technology. Meetings, membership directory, job listings, other links.
   http://www.iamg.org/

ANON  
   Interests in Geosciences, Mathematics and Computing.
   http://www.uh.edu/~jbutler/anon/anon.html

Claerbout's Classroom  
   Free on-line texts by the late (Johannes) Jos Claerbout.
   http://sepwww.stanford.edu/sep/prof/

Seismic Un*x  
   A seismic processing and research environment developed at the Center for Wave Phenomena, Colorado School of Mines. Requires ANSI C and Unix. Free download.
   http://www.cwp.mines.edu/cwpcodes/

University of Cambridge  
   Institute of Theoretical Geophysics: a research institute spanning Earth Sciences and Applied Mathematics & Theoretical Physics.
   http://www.itg.cam.ac.uk/

Geomaths  
   A Geological Sciences Mathematics tutorial system.
   http://www.ucl.ac.uk/Mathematics/geomath/frontpage.html

Laurent Duval  
   Signal and image processing. Conference Time-Table on signal processing, image analysis, video coding and related applications (in geophysics, biomedical imaging).
   http://membres.lycos.fr/laurentd/

Centre for Environmental and Geophysical Flows  
   Interdisciplinary research centre for geophysical fluid dynamics at the University of Bristol. People, meetings, facilities, resources.
   http://www.maths.bris.ac.uk/research/applied/amnag/cegf/Welcome.html

Institute of Computational Mathematics and Mathematical Geophysics  
   Siberian Branch of the Russian Academy of Sciences, Novosibirsk. Activities, meetings, publications, resources.
   http://www.sscc.ru/